Create and Interpret Expressions

half of a number, c

• c - 2
• ½ ÷ c
•  ½c
• c + ½

triple the sum of x and 5

• 3 + x + 5
• 3 ∙ x + 5
• 3(x + 5)
• (3x) + 5

Which expression means:
15 miles less than Debbie

• d + 15
• d - 15
• 15 - d
• 15 + d

What is a number decreased by seventeen?

• n + 17
• n - 17
• 17 + n
• 17 - n

What operation is being performed when you see
20x

• addition
• subtraction
• multiplication
• division

z/4

• twice as far
• half the distance
• one-fourth the distance
• four less than

2z

• twice as far
• 2 less than
• 2 more than
• divide into 2 groups

z - 4

• 4 inches ahead
• 4 less than z
• 4 times as many
• one-fourth the size

Six more than some number equals 52

• 6 + x = 52
• 6 + 52 = x
• 6x = 52
•  6x + 52 =

Translate the sentence into an equation:
Four more than six times a number is 18.

• 10x = 18
• 4x + 6 = 18
• 4 + 6x = 18
• not enough info